ch to Funding Long-Term Care f custodial care at closed landfills solar electric generating system . Operators estimate that the revenue obtained from soils regrading and solar development will cover the extended 10-year post-closure period .
ch to Funding Long-Term Care f custodial care at closed landfills solar electric generating system . Operators estimate that the revenue obtained from soils regrading and solar development will cover the extended 10-year post-closure period .
“ The partnership between Deptford Township , the New Jersey Department of Environmental Protection , and Kinsley ’ s has proven to be effective and productive ,” commented Paul Medany , Mayor of Deptford Township , New Jersey .
Materials delivered by truck are graded to eliminate low areas where stormwater collects and infiltrates .
ted if it had been generated by burning fossil fuels .
Reuse and regrading
Kinsley ’ s compacted low permeability clay cover performed as expected and had good leakage performance when placed , but the freeze / thaw cycling and the settlement that has accumulated over the 30 years since closure allowed leakage to increase over time . A permeability study conducted nearly 20 years ago showed that the permeability of the cover had increased in the decade since it was first placed ; fissures , cracks , and ponding due to settlement was suspected to be driving the increase in leachate generation . In the early 2000s , Kinsley ’ s received approval to regrade the landfill to address settlement as a component of post-closure care .
Facility operators reasoned that they could decrease their operations and maintenance costs for leachate management if they regraded to improve stormwater runoff . At the same time , the revenue they would receive from accepting the regrading material could help them build up the reserve needed for their eventual post-postclosure ( custodial care ) responsibilities .
The regrading program is designed to restore the plateau and slopes to pre-settlement conditions optimal for promoting storm water runoff while directing the runoff to existing onsite controls . The approach also reduces the potential for leachate generation . The landfill accepts a variety of clean and regulated soils and fill materials from construction projects , dredging projects , filter material from water treatment plants , or other materials meeting the facility ’ s NJDEP-approved site-specific Material Acceptance Protocol ( MAP ), which was created based on Tetra Tech ’ s site-specific material assessment parameter review . Having pre-approved acceptance criteria in the MAP means that Kinsley ’ s can accept materials in a timely manner and does not need to make time-consuming individual approval requests to NJDEP .
The materials are used to restore grade and eliminate low areas where stormwater collects and infiltrates . The facility regrading also helps advance additional beneficial end uses for the landfill , including the development of Kinsley ’ s Deptford Renewable Energy Center .
Continued
April 2024 COMMERCE 11